{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "Circulating endothelial cells and their precursors declined and remained low in responders , whereas plasma vascular endothelial growth factor trended to decline in responding patients but increase in nonresponders ."}
{"Anatomy": ["endothelial cells", "precursors", "plasma"]}